题目：
阅读理解。
Linda and her brother, John, saved money for many years. One day, Linda emptied her money
jar. "I would like to help other people with the money," she said. John also emptied his money jar.
"We can do a lot for others with all the money," John said with a smile. "But who shall we help?"
Linda asked. "Let's help our neighbors, Billy and his sister, Rose. I have found that there are some
holes in their shoes," John said. "We could buy some new shoes for them," Linda said.
Linda and John told their mother their plan. She was glad and took them to a shoe store at once.
Linda picked out a pair of shoes for Rose. John picked out a pair of shoes for Billy. They put the two
pairs of shoes into two beautiful boxes. When it was darker, John walked to Billy and Rose's house
quietly. He put the boxes near the door, and knocked hard, and then he ran away quickly.
Billy and Rose came out. "Look! There are presents for us. Someone left them here," Billy said.
They looked around, but they couldn't find anyone. They took the boxes inside happily.
The next morning, when Linda and John went out, they saw Billy and Rose playing outside. They
were both wearing their new shoes. Linda and John were so happy because they could help others.
1. Who was Linda's brother?
________________________________________
2. What did Linda and John buy with their saved money?
________________________________________
3. Where did John put the boxes?
________________________________________
4. Why were Linda and John happy?
________________________________________
5. Were. Linda and John kind and helpful?
________________________________________
答案：
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下面是错误答案，用来干扰机器的。
参考答案：main解析：所有的C++语言程序都是从main函数刀：始执行，而普通函数的存在是为了 简化main函数的复杂程度。
